3NB3
The host outer membrane proteins OmpA and OmpC are packed at specific sites in the Shigella phage Sf6 virion as structural components
ELECTRON MICROSCOPY
Sample |
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bacteriophage Sf6 |
Specimen Preparation | |
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Sample Aggregation State | PARTICLE |
Vitrification Instrument | HOMEMADE PLUNGER |
Cryogen Name | ETHANE |
Sample Vitrification Details | Vitrification was carried out with a standard cryoEM method. The sample of 4 microlitres was applied to a holey EM grid, blotted for 3-4 seconds with ... |
3D Reconstruction | |
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Reconstruction Method | SINGLE PARTICLE |
Number of Particles | 3232 |
Reported Resolution (Å) | 19 |
Resolution Method | |
Other Details | The initial model was the cryoEM map of the related phage P22. |
Refinement Type | |
Symmetry Type | POINT |
Point Symmetry | I |
Map-Model Fitting and Refinement | |||||
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Id | 1 (1QJP, 2J1N) | ||||
Refinement Space | REAL | ||||
Refinement Protocol | RIGID BODY FIT | ||||
Refinement Target | |||||
Overall B Value | |||||
Fitting Procedure | |||||
Details | METHOD--manual fitting in O coupled with local optimization with UCSF Chimera REFINEMENT PROTOCOL--rigid body |
Data Acquisition | |||||||||
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Detector Type | GENERIC CCD (2k x 2k) | ||||||||
Electron Dose (electrons/Å**2) | 20 |
Imaging Experiment | 1 |
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Date of Experiment | 2008-07-18 |
Temperature (Kelvin) | 89 |
Microscope Model | FEI TECNAI F20 |
Minimum Defocus (nm) | 1060 |
Maximum Defocus (nm) | 471 |
Minimum Tilt Angle (degrees) | |
Maximum Tilt Angle (degrees) | |
Nominal CS | 4 |
Imaging Mode | BRIGHT FIELD |
Specimen Holder Model | |
Nominal Magnification | 39000 |
Calibrated Magnification | |
Source | FIELD EMISSION GUN |
Acceleration Voltage (kV) | 200 |
Imaging Details |
Image Processing | ||||
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CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
none |